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@ 2014-02-17T16:29:27Z

<?php
$a = range(1,10);
foreach ($a as &$b) {
    if ($b % 2) {
        unset($b);
    }
}
var_dump($a);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
range: documentation ( source)

preferences:dark modelive preview

43.64 ms | 402 KiB | 5 Q